noelle walker is live where the debate is between your waste line and your bottom line. >> reporter: the no on measure n are paying for billboards popping up all over the city. tonight the no on measure n people are trying to convince voters that a yes vote would be bet every for their health. sodas and fruit drinks are popular, accessible and relatively cheap. if measure n passes drinks would cost a penny more an ounce. >> init's a regressive tax that hurts the people that can least afford it. >> reporter: taás one of the arguments the coalition against the beverage tax is making the group spent $2.5 million to put up billboards and hire san francisco media firm, chuck finnie is their spokesperson. >> it's going to result for higher grocery bills whether or not they drink soda. >> reporter: without billboards the yes on measure n people are relying on town hall meetings like this one tonight, word of mouth and information on the impact on health because of sugary drinks. the statistic from the dcd, half the population has a sugary drink each day. teenage boys are the big consumers